Webster’s Revised Unabridged Dictionary · 1913
Phonogram
Pho′no·gram (fō′nō·grăm), n. [Phono- + -gram.] 1. A letter, character, or mark used to represent a particular sound.
Phonograms are of three kinds: Verbal signs, which stand for entire words; Syllabic signs, which stand for the articulations of which words are composed; Alphabetic signs, or letters, which represent the elementary sounds into which the syllable can be resolved. I. Taylor (The Alphabet).
2. A record of sounds made by a phonograph.